/**
 * ***************************************************************************
 * Copyright (c) 2010 Qcadoo Limited
 * Project: Qcadoo Framework
 * Version: 1.4
 *
 * This file is part of Qcadoo.
 *
 * Qcadoo is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation; either version 3 of the License,
 * or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 * ***************************************************************************
 */
package com.qcadoo.mes.productCharacteristics.hooks;

import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.qcadoo.mes.basic.constants.BasicConstants;
import com.qcadoo.mes.basic.constants.ProductFields;
import com.qcadoo.mes.productCharacteristics.constants.ProductCharacteristicsFields;
import com.qcadoo.model.api.DataDefinitionService;
import com.qcadoo.model.api.Entity;
import com.qcadoo.view.api.ComponentState;
import com.qcadoo.view.api.ViewDefinitionState;
import com.qcadoo.view.api.components.FormComponent;

@Service
public class ProductCharacteristicsHooks {

    @Autowired
    private DataDefinitionService dataDefinitionService;

    private static final String L_FORM = "form";

    String[] innerComponents = { ProductFields.SIZE, "downShelve", "upShelve", "downForm", "upForm",
            ProductCharacteristicsFields.SHOW_IN_PRODUCT_DATA };

    public void enableCharacteristicsTabForExternalItems(final ViewDefinitionState state) {
        FormComponent productForm = (FormComponent) state.getComponentByReference(L_FORM);
        Long productId = productForm.getEntityId();

        if (productId == null) {
            return;
        }

        Entity product = dataDefinitionService.get(BasicConstants.PLUGIN_IDENTIFIER, BasicConstants.MODEL_PRODUCT).get(productId);

        if (product == null) {
            return;
        }

        String externalNumber = product.getStringField(ProductFields.EXTERNAL_NUMBER);

        if (!StringUtils.isEmpty(externalNumber)) {
            for (String componentName : innerComponents) {
                ComponentState characteristicsTab = (ComponentState) state.getComponentByReference(componentName);
                characteristicsTab.setEnabled(true);
            }
        }
    }
}
